An improved route to pregna-5,20-dien-3β-ol (muricin aglycone): Carbon and proton nuclear magnetic resonance assignments for the aglycone and a number of related pregnene derivatives
The invention provides novel adjuvants and pharmaceutical composition comprising of an adjuvant alone. The invention also provides novel vaccine compositions comprising of an antigen and a novel adjuvant. The novel adjuvant as per present invention is farnesoid-X-receptor (FXR) antagonist. The invention also relates to an adjuvant for variety of antigens. The adjuvant improves antibody production specific to incorporated antigen. The adjuvant also induces cell mediated immune response.